Weather man / Mbed 2 deprecated WeatherStation

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Dependencies:   BLE_API mbed nRF51822 SHT21_ncleee

main.cpp@0:7f951f57dbd2, 2015-11-09 (annotated)

Committer:
PostaL
Date:
Mon Nov 09 18:57:46 2015 +0000
Revision:
0:7f951f57dbd2
Child:
1:f7fe82a00d4e
first commit

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PostaL 0:7f951f57dbd2 1 /* mbed Microcontroller Library
PostaL 0:7f951f57dbd2 2 * Copyright (c) 2006-2013 ARM Limited
PostaL 0:7f951f57dbd2 3 *
PostaL 0:7f951f57dbd2 4 * Licensed under the Apache License, Version 2.0 (the "License");
PostaL 0:7f951f57dbd2 5 * you may not use this file except in compliance with the License.
PostaL 0:7f951f57dbd2 6 * You may obtain a copy of the License at
PostaL 0:7f951f57dbd2 7 *
PostaL 0:7f951f57dbd2 8 * http://www.apache.org/licenses/LICENSE-2.0
PostaL 0:7f951f57dbd2 9 *
PostaL 0:7f951f57dbd2 10 * Unless required by applicable law or agreed to in writing, software
PostaL 0:7f951f57dbd2 11 * distributed under the License is distributed on an "AS IS" BASIS,
PostaL 0:7f951f57dbd2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
PostaL 0:7f951f57dbd2 13 * See the License for the specific language governing permissions and
PostaL 0:7f951f57dbd2 14 * limitations under the License.
PostaL 0:7f951f57dbd2 15 */
PostaL 0:7f951f57dbd2 16
PostaL 0:7f951f57dbd2 17 #include "mbed.h"
PostaL 0:7f951f57dbd2 18 #include "BLE.h"
PostaL 0:7f951f57dbd2 19 #include "HealthThermometerService.h"
PostaL 0:7f951f57dbd2 20 #include "EnvSense.h"
PostaL 0:7f951f57dbd2 21
PostaL 0:7f951f57dbd2 22 BLE ble;
PostaL 0:7f951f57dbd2 23 DigitalOut led1(LED1);
PostaL 0:7f951f57dbd2 24
PostaL 0:7f951f57dbd2 25 const static char DEVICE_NAME[] = "Weather Station";
PostaL 0:7f951f57dbd2 26 static const uint16_t uuid16_list[] = {EnvironmentalSensingService::SERVICE_UUID};
PostaL 0:7f951f57dbd2 27 static volatile bool triggerSensorPolling = false;
PostaL 0:7f951f57dbd2 28
PostaL 0:7f951f57dbd2 29 /* Restart Advertising on disconnection*/
PostaL 0:7f951f57dbd2 30 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
PostaL 0:7f951f57dbd2 31 {
PostaL 0:7f951f57dbd2 32 ble.gap().startAdvertising();
PostaL 0:7f951f57dbd2 33 }
PostaL 0:7f951f57dbd2 34
PostaL 0:7f951f57dbd2 35 void periodicCallback(void)
PostaL 0:7f951f57dbd2 36 {
PostaL 0:7f951f57dbd2 37 led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
PostaL 0:7f951f57dbd2 38
PostaL 0:7f951f57dbd2 39 /* Note that the periodicCallback() executes in interrupt context, so it is safer to do
PostaL 0:7f951f57dbd2 40 * heavy-weight sensor polling from the main thread. */
PostaL 0:7f951f57dbd2 41 triggerSensorPolling = true;
PostaL 0:7f951f57dbd2 42 }
PostaL 0:7f951f57dbd2 43
PostaL 0:7f951f57dbd2 44 int main(void)
PostaL 0:7f951f57dbd2 45 {
PostaL 0:7f951f57dbd2 46 led1 = 1;
PostaL 0:7f951f57dbd2 47 Ticker ticker;
PostaL 0:7f951f57dbd2 48 ticker.attach(periodicCallback, 1);
PostaL 0:7f951f57dbd2 49
PostaL 0:7f951f57dbd2 50 ble.init();
PostaL 0:7f951f57dbd2 51 ble.gap().onDisconnection(disconnectionCallback);
PostaL 0:7f951f57dbd2 52
PostaL 0:7f951f57dbd2 53 /* Setup primary service. */
PostaL 0:7f951f57dbd2 54 uint8_t currentTemperature = 42;
PostaL 0:7f951f57dbd2 55 EnvironmentalSensingService thermometerService(ble, currentTemperature);
PostaL 0:7f951f57dbd2 56
PostaL 0:7f951f57dbd2 57 /* setup advertising */
PostaL 0:7f951f57dbd2 58 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
PostaL 0:7f951f57dbd2 59 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
PostaL 0:7f951f57dbd2 60 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::THERMOMETER_EAR);
PostaL 0:7f951f57dbd2 61 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
PostaL 0:7f951f57dbd2 62 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
PostaL 0:7f951f57dbd2 63 ble.gap().setAdvertisingInterval(1000); /* 1000ms */
PostaL 0:7f951f57dbd2 64 ble.gap().startAdvertising();
PostaL 0:7f951f57dbd2 65
PostaL 0:7f951f57dbd2 66 while (true) {
PostaL 0:7f951f57dbd2 67 if (triggerSensorPolling && ble.getGapState().connected) {
PostaL 0:7f951f57dbd2 68 triggerSensorPolling = false;
PostaL 0:7f951f57dbd2 69
PostaL 0:7f951f57dbd2 70 /* Do blocking calls or whatever is necessary for sensor polling. */
PostaL 0:7f951f57dbd2 71 // error = sensor.readData();
PostaL 0:7f951f57dbd2 72 // if (!error) {
PostaL 0:7f951f57dbd2 73 // thermometerService.updateTemperature(c);
PostaL 0:7f951f57dbd2 74 // }
PostaL 0:7f951f57dbd2 75
PostaL 0:7f951f57dbd2 76 /* In our case, we simply update the dummy temperature measurement. */
PostaL 0:7f951f57dbd2 77 currentTemperature += 0.1;
PostaL 0:7f951f57dbd2 78 thermometerService.updateTemperature(22);
PostaL 0:7f951f57dbd2 79 } else {
PostaL 0:7f951f57dbd2 80 ble.waitForEvent();
PostaL 0:7f951f57dbd2 81 }
PostaL 0:7f951f57dbd2 82 }
PostaL 0:7f951f57dbd2 83 }